Some molecules act as both hormones and neurotransmitters. For example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings.While there are similarities between these two chemical messengers, there are some obvious differences.or example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings. While there are similarities between these two chemical messengers, there are some obvious differences.
What is the largest US bill printed? For public use in the US, $100 is currently the highest-value bill  issued.    At one time $500, $1,000, $5,000 and $10,000 were also printed.  Printing of all higherâ¦ denomination bills was suspended in 1945 due  to low demand.
$100 dollar bill. Benjamin Franklin is on $100 dollar bill. $100 dollar bill has Franklin on the front and Independence Hall on the back. Interesting to know, the one hundred dollar bill is the largest note being printed currently by US Mint. It is the most common US note out there, with 7 out of 10 bills being $100.